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2026-04-14 - 07:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Apr 14, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17989214180,7sleep30-21swapper/319:07:003
12898212763,7sleep20-21swapper/219:05:072
182012114104,7sleep00-21swapper/019:09:460
180272113104,6sleep10-21swapper/119:07:301
230312680,0sleep323038-21kthreadcore23:30:183
253842590,0sleep10-21swapper/119:15:021
123282570,0sleep20-21swapper/200:15:222
235492560,0sleep00-21swapper/000:25:210
203552560,1sleep220358-21kthreadcore19:10:182
248062540,0sleep20-21swapper/220:40:002
1839999291,27cyclictest0-21swapper/220:02:342
1839999280,27cyclictest0-21swapper/219:21:422
1839999260,25cyclictest0-21swapper/223:10:262
1839999260,25cyclictest0-21swapper/222:05:162
1839999260,25cyclictest0-21swapper/220:06:042
18399992523,2cyclictest0-21swapper/220:25:102
18399992523,1cyclictest10832-21entropy23:20:152
1839999250,24cyclictest0-21swapper/223:15:052
1839999250,24cyclictest0-21swapper/223:15:052
18399992422,2cyclictest0-21swapper/221:51:292
18399992421,3cyclictest0-21swapper/222:39:292
1839999231,3cyclictest0-21swapper/222:02:472
18394992321,2cyclictest0-21swapper/121:00:391
18394992320,3cyclictest0-21swapper/121:46:081
18394992320,3cyclictest0-21swapper/121:41:051
1839499231,21cyclictest0-21swapper/119:51:071
18399992220,2cyclictest0-21swapper/200:35:052
1839999221,3cyclictest0-21swapper/220:42:492
1839999220,21cyclictest0-21swapper/223:01:562
1839999220,21cyclictest0-21swapper/221:12:222
18394992220,2cyclictest0-21swapper/123:29:111
18394992220,2cyclictest0-21swapper/120:14:091
18394992220,2cyclictest0-21swapper/119:12:241
18394992219,3cyclictest0-21swapper/119:48:431
18394992219,3cyclictest0-21swapper/119:42:241
18394992219,3cyclictest0-21swapper/100:32:201
1839499221,2cyclictest0-21swapper/121:55:171
1839499221,20cyclictest0-21swapper/100:10:331
1839499220,21cyclictest0-21swapper/123:37:201
1839499220,21cyclictest0-21swapper/122:03:081
1839499220,21cyclictest0-21swapper/121:39:351
1839499220,21cyclictest0-21swapper/121:19:551
1839499220,21cyclictest0-21swapper/120:33:341
1839499220,21cyclictest0-21swapper/120:20:421
1839499220,21cyclictest0-21swapper/119:57:121
1839499220,21cyclictest0-21swapper/100:27:501
1839499220,21cyclictest0-21swapper/100:03:021
18390992219,3cyclictest0-21swapper/020:39:430
18399992118,2cyclictest749-21snmpd23:43:022
18399992118,2cyclictest749-21snmpd21:08:522
18399992118,2cyclictest749-21snmpd20:17:222
18399992118,1cyclictest752-21lldpd22:26:232
18399992114,6cyclictest0-21swapper/200:21:502
1839999211,3cyclictest0-21swapper/222:42:112
1839999211,19cyclictest0-21swapper/223:53:322
1839999210,20cyclictest0-21swapper/223:25:482
1839999210,20cyclictest0-21swapper/221:43:252
1839999210,20cyclictest0-21swapper/220:34:312
1839999210,20cyclictest0-21swapper/220:10:182
1839999210,20cyclictest0-21swapper/219:40:422
1839999210,20cyclictest0-21swapper/219:29:132
18394992119,2cyclictest0-21swapper/122:25:531
18394992118,3cyclictest0-21swapper/123:55:501
18394992117,3cyclictest0-21swapper/122:55:531
18394992113,8cyclictest0-21swapper/119:32:301
1839499210,2cyclictest0-21swapper/120:52:161
1839499210,20cyclictest0-21swapper/123:53:171
1839499210,20cyclictest0-21swapper/123:41:381
1839499210,20cyclictest0-21swapper/123:21:231
1839499210,20cyclictest0-21swapper/123:17:531
1839499210,20cyclictest0-21swapper/123:17:531
1839499210,20cyclictest0-21swapper/122:51:261
1839499210,20cyclictest0-21swapper/122:16:441
1839499210,20cyclictest0-21swapper/121:31:581
1839499210,20cyclictest0-21swapper/121:10:041
1839499210,20cyclictest0-21swapper/121:09:401
1839499210,20cyclictest0-21swapper/120:46:271
1839499210,20cyclictest0-21swapper/120:40:281
1839499210,20cyclictest0-21swapper/120:26:581
1839499210,20cyclictest0-21swapper/119:27:101
1839499210,20cyclictest0-21swapper/119:22:541
1839499210,20cyclictest0-21swapper/100:16:171
18390992119,1cyclictest749-21snmpd22:05:350
18390992117,3cyclictest0-21swapper/021:55:160
1839099210,20cyclictest0-21swapper/021:03:080
1839099210,19cyclictest0-21swapper/022:25:000
1839999207,8cyclictest0-21swapper/221:30:132
18399992018,1cyclictest749-21snmpd22:56:202
18399992018,1cyclictest749-21snmpd22:18:352
18399992018,1cyclictest749-21snmpd21:26:282
18399992017,3cyclictest0-21swapper/223:05:532
18399992017,2cyclictest749-21snmpd23:32:202
18399992017,2cyclictest749-21snmpd22:47:052
18399992017,2cyclictest749-21snmpd20:22:212
18399992017,2cyclictest0-21swapper/221:45:172
18399992016,3cyclictest0-21swapper/221:37:492
1839999200,2cyclictest0-21swapper/223:56:382
1839999200,2cyclictest0-21swapper/222:10:082
1839999200,19cyclictest0-21swapper/219:31:392
1839999200,19cyclictest0-21swapper/200:04:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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